Britney Jean Spears (born December 2, 1981) is an American semi-retired singer. Referred to as the "Princess of Pop", she is widely regarded as one of the most influential entertainers of the 21st century. Her impact on pop music—particularly her role in reviving teen pop—and energetic stage performances contributed to her success. Spears began her career in 1992 as a cast member for the musical Ruthless! and the final two seasons of The All-New Mickey Mouse Club television series before... [more on Wikipedia]